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Martha Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lawrence-County, Illinois
Our Model Tree links this Martha Gray across the 1930 and 1940 US Censuses in Lawrence-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Illinois |
| Surname | Gray |
| Given Name | Martha A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Petty Township |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Petty Township |
| Est. Birth Year | ~1896 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| William Gray | Head | — | 56 | ~1884 |
| Frances Gray | Daughter | — | 15 | ~1925 |
| Shirley Gray | Daughter | — | 5 | ~1935 |
| Wilma Gray | Daughter | — | 17 | ~1923 |
| Martha Gray | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Lawrence, Illinois
Other, age 33
Lawrence, Illinois · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Martha A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lawrence-County, Illinois
Spouse, age 44
Lawrence-County, Illinois · implied b. ~1896 — 5 household members
| Surname | Gray |
| Given Name | Martha A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Petty Township |
| 1935 Residence (County) | Lawrence |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Martha Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Gray
Spouse · 1940 · age 44 · b. ~1896 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lawrence-County, Illinois
Open full size
1940 US Federal Census — Lawrence-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00835-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Miles Doris J Miles | 7 | Son | — | Illinois |
| 2 | Dennis M York | 29 | Head | Newstalent | Illinois |
| 3 | Faith C York | 27 | Wife | — | Illinois |
| 4 | Joe D York | 1 | Son | — | Illinois |
| 5 | William W Gray | 56 | Head | Pumper | Illinois |
| 6 | Martha A Gray THIS PERSON | 44 | Wife | — | Illinois |
| 7 | Wilma J Gray | 17 | Daughter | — | Illinois |
| 8 | Frances L Gray | 15 | Daughter | — | Illinois |
| 9 | Shirley J Gray | 5 | Daughter | — | Illinois |
| 10 | Vard M Morgan | 53 | Head | Farmer | Iowa |
| 11 | Jessie L Morgan | 43 | Wife | — | Illinois |
| 12 | Marilyn L Morgan | 9 | Daughter | — | Oklahoma |
| 13 | John E Morgan | 51 | Head | Mechanic | Iowa |
| 14 | Winifred D Morgan | 48 | Wife | — | North Carolina |
| 15 | Viola Harell | 70 | Head | — | Illinois |
| 16 | Ellis J Baldwin | 44 | Head | Farming | Illinois |
| 17 | Myrtle E Baldwin | 42 | Wife | — | Illinois |
| 18 | Edward U Baldwin | 18 | Son | 58 | Illinois |
| 19 | Robert L Baldwin | 15 | Son | — | Illinois |
| 20 | Mary C Baldwin | 13 | Daughter | — | Illinois |
| 21 | Emma J Baldwin | 79 | Mother | — | Illinois |
| 22 | William W Kimmel | 48 | Head | Farming | Illinois |
| 23 | Nellie P Kimmel | 45 | Wife | — | Illinois |
| 24 | Irene M Kimmel | 20 | Daughter | Instructor | Illinois |
| 25 | Charles L Shidler | 63 | Head | — | Illinois |
| 26 | Ella M Shidler | 51 | Wife | — | Illinois |
| 27 | Milton A Hauser | 84 | Head | — | Illinois |
| 28 | Alice Hauser | 72 | Wife | — | Illinois |
| 29 | George L Waggoner | 52 | Head | Farm | Illinois |
| 30 | Pauline E Waggoner | 47 | Wife | — | Illinois |
| 31 | Henry S Waggoner | 21 | Son | Farm | Illinois |
| 32 | Lloyd X Waggoner | 18 | Son | Farm | Illinois |
| 33 | Ella L Waggoner | 16 | Daughter | — | Illinois |
| 34 | Ollive H Waggoner | 12 | Daughter | — | Illinois |
| 35 | Ray V Cullison | 27 | Head | Laborer | Illinois |
| 36 | Fern E Cullison | 25 | Wife | — | Illinois |
| 37 | Betty K Cullison | 8 | Daughter | — | Illinois |
| 38 | Mark D Cullison | 6 | Son | — | Illinois |
| 39 | Sherman Poland | 31 | Head | Mechanic | Illinois |
| 40 | Mary M Poland | 26 | Wife | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)